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APA4863OI-TRG Datasheet(PDF) 10 Page - Anpec Electronics Coropration |
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APA4863OI-TRG Datasheet(HTML) 10 Page - Anpec Electronics Coropration |
10 / 17 page Copyright © ANPEC Electronics Corp. Rev. A.7 - Oct., 2009 APA4863 www.anpec.com.tw 10 Pin Description PIN NO. TSSOP-20 TSSOP-20P SOP-16 NAME I/O FUNCTION 1 1 1 SHUTDOWN I Shutdown mode control pin input, places entire IC in shutdown mode when held high, IDD=0.5 µA. 2,7,19 2,7,9,10,11, 12,19 2,7,15 GND - Ground connection of circuitry. 3 3 3 +OUT A O A channel + output in BTL mode, high impedance in SE mode. 4,17 4,17 4,13 VDD I Supply voltage input. 5 5 5 -OUT A O A channel - output in BTL mode, + output in SE mode. 6 6 6 -INA I Input pin of channel A. 8 8 8 +INA I Non-inverting input of channel A, connected to bypass pin inside the IC. 13 13 9 +IN B I Non-inverting input of channel B, connected to bypass pin inside the IC. 14 14 10 BYPASS - Connect to voltage divider for internal mid-supply bias. 15 15 11 -IN B I Input pin of channel B. 16 16 12 -OUT B O B channel - output in BTL mode, + output in SE mode. 18 18 14 +OUT B O B channel + output in BTL mode, high impedance in SE mode. 20 20 16 HP-IN I Headphone control pin input, hold high for single-ended mode operation. 9,10,11,12 - - NC - No connection. Block Diagram Note : * +INA and +INB pins are connected to Bypass pin inside the IC. Ring V DD 50k Ω 50k Ω - IN A + OUT A R L 100 µF To HP-IN Circuit 8 Ω 20k Ω 20k Ω 20k Ω + OUT B R L 8 Ω 20k Ω 20k Ω 20k Ω - OUT B - OUT A C O + 1k Ω 100 µF C O + 1k Ω C S 0.1 µF V DD / 2 C B 2.2 µF + IN A* Bypass - IN B + IN B* GND 20k Ω R F 20k Ω R F C 1 R 1 Audio Input 20k Ω 1 µF C 1 R 1 Audio Input 20k Ω 1 µF 100k Ω Shutdown HP-IN To Control Pin on Headphone Jack 100k Ω Headphone Jack Sleeve Control Pin Tip V DD |
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